Extreme weather

flood risk

how dry and wet periods become

climate change and desertification

cyprus island

the risk of desertification

global warming

low water content

changes and higher temperature

glacier retreat

storage system break down

climate change and water shortage

political instability

the fighting in darfur

nomadic herders and farmers

the demise of Anasazia civilization

Richard seager

discovering human change of climate

Africa is vulerable region

held's general rule

Isaac held and drought

mediterranean drought

Increase water transfer

the basic argument

the atmosphere contains moister

water vapour

moisture

the rains and the destruction of civilization

climate changes

green house gasses

the rainfall and empire

devastating drought

rain drop

taiwanaen

the collapse of the Akkadian empire

who was the king ?

three years